On Fri, Apr 27, 2018 at 11:33:29AM -0600, Chris Mason wrote:
> My goal for the fsync tree log was to make it just do the right thing most
> of the time. We mostly got there, thanks to a ton of fixes and test cases
> from Filipe.
>
> fsync(some file) -- all the names for this file will exist,
On Fri, May 11, 2018 at 11:12:18PM +0200, Jan Kara wrote:
> On Thu 10-05-18 16:13:58, Luis R. Rodriguez wrote:
> > The Linux VFS does not allow a way to set append/immuttable
> > attributes to symlinks, this is just not possible. If this is
> > detected inform the user as the filesystem must be
On Sun, Apr 29, 2018 at 03:55:39PM -0500, Vijay Chidambaram wrote:
> In the spirit of clarifying fsync behavior, we have one more case
> where we'd like to find out what should be expected.
>
> Consider this:
>
> Mkdir A
> Creat A/bar
> Fsync A/bar
> Rename A to B
> Fsync B/bar
> -- Crash --
>
On Sat, Apr 14, 2018 at 08:13:28PM -0500, Vijay Chidambaram wrote:
>
> We are *not* saying an fsync on a symlink file has to result in any
> action on the original file. We understand the lack of ordering
> constraints here.
The problem is you're not being precise here. The fsync(2) system
call
On Sat, Apr 14, 2018 at 08:35:45PM -0500, Vijaychidambaram Velayudhan Pillai
wrote:
> I was one of the authors on that paper, and I didn't know until today you
> didn't like that work :) The paper did *not* suggest we support invented
> guarantees without considering the performance impact.
I
On Sun, Apr 15, 2018 at 07:10:52PM -0500, Vijay Chidambaram wrote:
>
> I don't think this is what the paper's ext3-fast does. All the paper
> says is if you have a file system where the fsync of a file persisted
> only data related to that file, it would increase performance.
> ext3-fast is the
On Wed, Sep 19, 2018 at 09:18:16PM -0600, Chris Murphy wrote:
> > ext4 has inline data, too, so there's every chance grub will corrupt
> > ext4 filesystems with tit's wonderful new feature. I'm not sure if
> > the ext4 metadata cksums cover the entire inode and inline data, but
> > if they do it's